US Patent 7544288 Gutter filtering device
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Patent Inventor Names
Michael Cook0
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Patent abstract
A filter sphere for preventing debris from entering a downspout of a rain gutter. The filter sphere is a hollow, perforated sphere with a diameter slightly less than the width of a normal rain gutter.
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US Patent 07544288 Gutter filtering device US Patent 7544288 Gutter filtering device
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Patent Number
07544288
Patent Number
7544288
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Official Website
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US Patent 07544288 Gutter filtering device
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Is a
Patent jurisdiction
Patent number
07544288
Date of patent
June 9, 2009
Patent application number
12152769
Date Filed
May 16, 2008
Patent primary examiner
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